diff --git a/ext/opcache/tests/opcache_jit_prof_threshold.phpt b/ext/opcache/tests/opcache_jit_prof_threshold.phpt
new file mode 100644
index 00000000000..f98c12b99ba
--- /dev/null
+++ b/ext/opcache/tests/opcache_jit_prof_threshold.phpt
@@ -0,0 +1,19 @@
+--TEST--
+opcache_get_configuration() properly reports jit_prof_threshold
+--EXTENSIONS--
+opcache
+--SKIPIF--
+<?php
+if (!isset(opcache_get_configuration()["directives"]["opcache.jit_prof_threshold"])) die("skip no JIT");
+?>
+--FILE--
+<?php
+$expected = 1 / 128; // needs to be exactly representable as IEEE double
+ini_set("opcache.jit_prof_threshold", $expected);
+$actual = opcache_get_configuration()["directives"]["opcache.jit_prof_threshold"];
+var_dump($actual);
+var_dump($actual === $expected);
+?>
+--EXPECTF--
+float(0.0078125)
+bool(true)
diff --git a/ext/opcache/zend_accelerator_module.c b/ext/opcache/zend_accelerator_module.c
index 1b62b757b87..e6642c76e1a 100644
--- a/ext/opcache/zend_accelerator_module.c
+++ b/ext/opcache/zend_accelerator_module.c
@@ -848,7 +848,7 @@ ZEND_FUNCTION(opcache_get_configuration)
 	add_assoc_long(&directives,   "opcache.jit_max_recursive_returns", JIT_G(max_recursive_returns));
 	add_assoc_long(&directives,   "opcache.jit_max_root_traces", JIT_G(max_root_traces));
 	add_assoc_long(&directives,   "opcache.jit_max_side_traces", JIT_G(max_side_traces));
-	add_assoc_long(&directives,   "opcache.jit_prof_threshold", JIT_G(prof_threshold));
+	add_assoc_double(&directives, "opcache.jit_prof_threshold", JIT_G(prof_threshold));
 	add_assoc_long(&directives,   "opcache.jit_max_trace_length", JIT_G(max_trace_length));
 #endif